看不懂解析

⑤ 令我心動 unfortun (22) 【LES (字頭) 【打 和前任下 [Adost 拉臂吸阵 被SC大家 (22) [回ㄨ AJLEAD36 × + CA 2s cjhchc.aillead365.com/admin/exam/result?rid=2090936 白白 新分頁 YouTube 市级群(1)日頁。 Roblox 已知每次實驗使用的溶液初濃度為定值,請問關於四次實驗的敘述,下列何者錯誤? 實驗次數 | 鹽酸溶液 硫代硫酸鈉溶液 黃色沉澱 第一次 4mL 20mL 0.4g 第二次 8mL 20mL 0.8g 第三次 12mL 20mL 1.0g 第四次 16mL 30mL Xg (C(A)第一次實驗中,硫代硫酸鈉溶液尚未消耗完 (O(B) 第二次實驗中,沉澱物的量受鹽酸溶液使用量的影響 X@(C)第三次實驗中,鹽酸溶液尚未消耗完 →C(D)第四次實驗中,X的值為1.6g 顯示手寫板 解析 (D)第四次實驗中,鹽酸為過量,沉澱物的量由硫代硫酸鈉控制,依第三次實驗可知,鹽酸: 硫代硫酸鈉:黃色沉澱的數量比為10:20:1,可知X=1.5。 13 中偏易 化學反應表示法

求解😭

四 依提示作答:10 分(每題2分) I saw Pamela in the gym. Pamela played badminton.(以Isaw... 開頭合併句子) 2. If / Ray / exercise every day / be healthier(依提示完成句子) Katie enjoys cooking. Peter enjoys cooking, too. (用Not only... but also... 合併句子) 4. My baby sister played with the toys.(加入反身代名詞) 5. Most of the students are cleaning the classroom. (將畫線部分改為 Each 並做適當改寫) 1. 3. 五、整句式翻譯:15 分(每題3分) 1. 大部分的垃圾都需要花很長一段時間才能分解。 2. 我昨晚自己在房間時,我聽到有人在說話。 3. 當我在電梯裡時,地震突然來襲。幸運的是,什麼也沒發生。 4. 一次性的塑膠餐具對我們的環境不好。 5.當所有燈光熄滅時,那一刻我們每個人都很害怕。

英文的數學題 求解33.34題

33. The monthly salary of Mr Chan is $18 000. He spends 37.5% of his salary on rent, 45% on other expenses, and he saves the rest in the bank. (a) How much does he save each month? (b) If his monthly salary and the rent remain unchanged but he wants to spend $1 050 more on other expenses, find the percentage decrease in his savings. 34. The owner of a light shop bought a crystal light for $x. He set its marked price 60% above the cost price, and later it was sold to a customer at a discount of 25%. (a) Find the profit per cent made by the owner. (b) If the customer bought the light for $3 780, find the value of x. lain (c) If the light was sold to the customer at a discount of 35% instead, did the owner still make a profit? Explain your answer. 5. Martin used $48 000 to buy 4 000 'lucky windmills' from a manufacturer. At a New Year Fair, he sold 3 500 windmills at a price 75% higher than the cost price and the rest at a price 25% lower than the cost price.

求解 65、71、83 、84、85 拜託大家了 謝謝🙏

( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( )65. My brother fooled around, (1) and does (2) did )66. The poice are trying to find a )67. I found quite a few men and women (1) rush (2) rushed ( ( ( ( ( )68. Engines are machines. (1) that produces (2) producing )69. Thousands of products (1) make nothing meaningful. (3) and doing (4) doing child. (1) lose (2) lost (3) miss (4) missed (1) spoken )74. When I returned (1) to steal (3) rushing power or motion. (3) produced from coal are now in daily use. (2) made ouer (3) making )70. There are many commuters (1) waiting for (2) waiting )71. In spite of my comfort, the punished (1) to crying (2) cried )72. I found a dog (1) to run )73. Generally out of the building on fire. (4) to rush )75. Give the message to the gentleman (2) stands (1) standing )76. The pollution level the train at the station. (3) wait for boy went away (3) to cry )84. (4) which producing (4) to wait for (4) crying over by a car on the road. (3) ran (2) run (4) running reports are prepared for busy administrators. (2) speak (3) speaking (4) spoke home, I found the window open and something. (2) stealing (3) stolen (4) stole (1) sit (2) seat )79. We found that the house (1) standing (2) stands )80. Those old people sat under the tree (4) to make (3) who stand (4) stood high today, people can not help breathing in car exhaust. (1) is (4) has (3) being )77.__ from space, the earth is almost perfectly round and appears to have a smooth surface. (1) Seen (2) Moved (3) Found (4) Kept (2) has been )78. When I entered the room, I found him by the fire. by the door. (3) seating (4) seated in the distance was deserted. (3) who stand (4) stood stories. (3) to speak (1) telling (2) to tell )81. He is so faithful that I have never heard him the ghost (4) spoke others. (1) speak ill of (2) spoken ill of (3) to speak ill of )82. The poor crippled child (4) speaks ill of on the ground became my daughter's (3) laying (4) lying (2) lain main concern. (1) lied )83. The nurse approached the child, to make him relaxed. (1) and tries (2) trying (3) and trying (4) tried by the policeman, the robber ran toward the shopping mall and disappeared. (1) Seeing (2) Seen (3) To see (4) Having seen )85. You must leave your room to be on the safe side. (1) lock (2) locked (3) to lock (4) locking

有人能解釋這題嗎？算是是詳解的？看不懂

- 19. 已知一元二次方程式 x-10x-a=0,當a值為下列哪一個整數時,可使 得此方程式的兩根均為正數? (A)-10 x²10x=a. 我不 (B) 0 +25 +25 (C) 16 (D) 24 Tat2sc5 at252 O (X-5) = atas . a+251 1-577 3 xxas 則(9r-6-5777 之值為何? REDMI K30 5G AI QUAD CAMERA

請問丙電阻這裡電壓電流要怎麼算，假設電池為x伏特時

的金屬圓球,它們電荷 示,則下列敘述何者正確? 的可 端客户 全集资 赛,24 > WW (A) 金屬球上的正電荷量比負電荷量多 (B) 金屬球上的正電荷量比負電荷量少 | C) 金屬球上正、負電荷分開的現象稱為電流的磁效應 (D) 金屬球上正、負電荷分開的現象是電子移動的結果 07 一電路裝置如右圖所示,接通電流後,甲、乙、丙三個電阻器 的耗電功率相等,且甲、乙、丙的電阻值分別為RP、R2、R 若導線電阻忽略不計,則下列關係式何者正確? (A) R + Rz= Rp (B)R+ Rz= 4R 75 (C) R = Rz= Rp5 97 7 7 (D) RP = Rz=4R 8 小怡做電學實驗時,使用如圖所示的電路裝置,來測量電阻器的電流、電壓 計算其電功率。她測量的結果如圖(二)所示,伏特計的指針指在刻度「1」上,毫安 um 丙 PVIR WWW 理化單題 - 106 46 - U 培計的指針指在刻度「4」上。假設左下圖中的電源無內電阻,則下列何者最可能 為此電阻器的電功率? OO REDMI K30 5G 高安培計 fini-

這也不是停止了嗎

、乙、丙、丁四個質量均為2kg 的木塊,今對四 了,下圖為四個木塊的受力情形及其運動狀態,何 9 12. 已知CO. CHC CH.COOH - CY - 有關CH.CC (A) 取相同質 因取相同莫 C取相同 比=1: (B) 乙 5N D取相后 比=1 1 向左3N 若木塊等速度前進,表示乙受有向右 乙 5N的摩擦力。 (D) (bin. 13. 阿志使 塊的 數據 REDMI K30 5G AI QUAD CAMERA 丁 為了

請問此題不是Y座標越大，X倒數也就大嗎

(A) 75 (C) 150 的Mg 9 應變變因X的關係 立222- o 2 MgCh Mg 0.3 0.4 為 9 小蠢欲探討反應物的四種濃度, 物濃度上升,應變變 因之值越少」的結論。根據上述結論,小震的實紀元 應變變因X的倒數(1/X)與反應物濃度的關係圖,可能為下列何者? (A) I (B) 0.1 0.2 0.11 0.2 0.4 25 33 100 50 33 25 50 100 3 反應物濃度(M) 應變變因X(秒) 0.3 反應物濃度(M) 應變變因X(秒) 68 15.EE 石 16. x 「幹 0 濃度(M) 濃度(M) (D) 0.1 0.2 0.3 0.4 0.2 0.3 0.4 反應物濃度(M) 0.1 應變變因X(秒) 10 反應物濃度(M) 應變變X(秒) 40 30 20 10 20 30 40 1x % / 度下 到多大 0 0 濃度(M) 濃度(M) 110 45 REDMI K30 5G AI QUAD CAMERA

請問此B.D 各是為什麼

21 多大 圖(二) 2 表題 天擇 中偏難 O 白色 口棕色 5. 圖(三)為某地區不同毛皮 120% 顏色的老鼠個體比率與時 100% 間的關係圖。科學家發 80% 60% 現,此地區的老鼠原本皆 40% 為白色毛皮,但約在300 20% 0% 年前,首次出現棕色毛皮 古代 現代 的個體。而白色皮毛的個 圖(三) 體在300 年之間完全消失。關於此現象的敘述,何者不正確?素養題 (A) 300年前首次出現的棕色毛皮個體,可能是突變的個體 (B)由圖型可知,棕色毛皮必為顯性性狀三法手 (C)就現代而言,棕色毛皮的個體較白色毛皮的個體更適合生存 (D)兩種不同毛皮顏色的老鼠之間的關係為「競爭」 10 do REDMI K30 5G CO AL QUAD CAMERA

請問有人可以解釋詳解後面是什麼意思 第二題 酸鹼中和

2011 Ball 0B 上升 34 cm 水 水 4 水 = 0.8v6+ Visp x0x +(40- Vzbruk) x1=34 (A) 8cm go-25 (B) 14 cm V-30 205 (C) 22 cm (D) 30 cm -N9 622圖(一) 圖(二) 圖(三) 32 1、 4055 3440 08 40 32 3L 60 200 256 34 935 (1) 小吃做酸鹼滴定實验,裝置如图(b)所示, 20 HCI 17 TES 酸鹼中和 中偏難 圖一)水=4X1=34gw;由圖 V =34+6=40cm. (2) FEW E=B+B : 34=V *** 0.8+ (40-V+) XI. V +=30 cm, 答 案会D)。 2. 数中和:H莫耳數=0H 莫耳數 Ca(OH)2 OH=4X0.5X2=4 (mole), 中和所需的H=2X Vic=4(mole), Vic=2(L),中和後的 Ca^*=4X0.5=2 (mole),莫耳濃度(Ca']=2-(2+0.5) =0.8 (M) 3. 若管內無氣體,水銀柱76 cm高,現水銀柱 30 cm 高,管中必有氣體。右側水銀槽若倒 入水銀,C點水銀面上升,管內空氣壓力提 高,導致B 下降,A點上升,答案選 (B)。 4)被還原,為氧化劑;(C)顆粒大小會影響 藥速率;(D)二氧化碳可以用澄清石灰水 * e 水溶液滴定4M的Ca(OH)2 水溶液 500 mL,當酸鹼完全 中和時,錐形瓶內溶液的[Car"]等於多少? Call (A) 0.8 M (B) 1.0M (C) 1.6 M (D) 2.0 M Ca(OH) +HC/= 27 B CaOH2 Cat 2014 圖(1 2 難 3. 蒸做一實驗,實驗裝置如圖(五)所示,已知實驗 大氣壓力 當時外界大氣壓力為1atm,左右兩玻璃管內外水銀 面高度差皆為30 cm。若在右側水銀槽中倒入更多 水銀,則圖中A、B、C三點的水銀面將會上升或下 降? (A)A上升、B上升、C上升 O REDMI K30 5 COLAI QUAD CAMERA 30 cm 條件不變下,顏色深淺取決於 NO. 11.